The outline of rooftops and chimneys ________ against the pale sky.
A、pulledoutD
A离开B注意、留神C提供D显眼、突出
英语翻译：他是公司的首席执行官,但总是平易近人。
Thatproposalisessentiallyirrelevant________theissueathand.
Robotsdifferfromautomaticmachines________aftercompletionofonespecifictask，theycanbereprogrammedbyacomputertodoanotherone.
Theoceansdonotsomuchdividetheworld_______uniteit
Itisvitalthatthework_______intime.
